Tariff ceiling definition

Tariff ceiling means any pre-set value or quantity, authorised for importation or exportation of given goods, during a specified period, with a reduction of the normal customs duties and taxes, and beyond which the granting of the said tariff reduction may be suspended until the end of the period in question;
Tariff ceiling means the quantity of goods defined in a value or units of measure, for which shall apply a reduced customs duty, whereas in case of greater amounts shall apply the customs tariff duty as provided in the corresponding act.